import java.util.regex.*;
public class jiangjiping_You {
	public static void main(String[] args){
		String str = new String();
		String str1 = new String();
		int i=0;
		str="When you are old"+
		"Yeats"+
		"When you are old and grey and full of sleep,"+ 
		"And nodding by the fire, take down this book,"+
		"And slowly read, and dream of the soft look "+
		"Your eyes had once, and of their shadows deep; "+
		"How many loved your moments of glad grace, "+
		"And loved your beauty with love false or true, "+
		"But one man loved the pilgrim Soul in you, "+
		"And loved the sorrows of your changing face; "+
		"And bending down beside the glowing bars, "+
		"Murmur, a little sadly, how Love fled "+
		"And paced upon the mountains overhead "+
		"And hid his face amid a crowd of stars." ;
		str1= str.toLowerCase();
		Pattern p = Pattern.compile("you");
		Matcher  m =p.matcher(str);
        	while(m.find()){
            			i++;
        	}
		System.out.println(i);
	}
}